<template>
  <div class="swiper-container" ref="mySwiper">
    <div class="swiper-wrapper">
      <div class="swiper-slide" v-for="item in swiperData" :key="item.id">
        <img :src="item.imgUrl" />
      </div>
    </div>
    <!-- 如果需要分页器 -->
    <div class="swiper-pagination"></div>

    <!-- 如果需要导航按钮 -->
    <div class="swiper-button-prev"></div>
    <div class="swiper-button-next"></div>
  </div>
</template>

<script>
import Swiper from "swiper";
import "swiper/css/swiper.css";
export default {
  name: "Swiper",
  props: ["swiperData"],
  watch:{
    swiperData: {
      immediate: true,
      handler() {
        if (!this.swiperData.length) return;
          //在watch中操作dom,数据改变了但是dom并没有刷新,nextTick在dom刷新后执行里面的回调
          this.$nextTick(() => {
            new Swiper(this.$refs.mySwiper, {
              direction: "horizontal", // 垂直切换选项
              loop: true, // 循环模式选项

              // 如果需要分页器
              pagination: {
                el: ".swiper-pagination",
              },

              // 如果需要前进后退按钮
              navigation: {
                nextEl: ".swiper-button-next",
                prevEl: ".swiper-button-prev",
              },

              // 如果需要滚动条
              scrollbar: {
                el: ".swiper-scrollbar",
              },
            });
          });
      },
    },
  },
};
</script>

<style>
</style>